公开(公告)号：US12284859B2

公开(公告)日：2025-04-22

申请号：US18179306

申请日：2023-03-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/60

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV  Equation 1 T1(H)≥T1(Mix)+0.3 eV  Equation 2 T1(Mix)

公开(公告)号：US12256630B2

公开(公告)日：2025-03-18

申请号：US17522855

申请日：2021-11-09

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Soobyung Ko ,  Tsuyoshi Naijo ,  Jiyoung Lee

IPC: H01L51/50 ,  H10K85/30 ,  H10K85/60 ,  H10K50/11 ,  H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K101/00 ,  H10K101/10 ,  H10K101/40

Abstract: A light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an interlayer between the first electrode and the second electrode and including an emission layer, wherein the emission layer includes: a first host, a second host, and a dopant, at least one of the first host and the second host is an organometallic compound, and the first host, the second host, and the dopant satisfy the following Equation (1): |LUMO energy of H2−HOMO energy of H1|≥0.9×T1 energy of D.

公开(公告)号：US20240324267A1

公开(公告)日：2024-09-26

申请号：US18410664

申请日：2024-01-11

Applicant: Samsung Display Co., Ltd.

Inventor： Jiyoung Lee ,  Makoto Yamamoto ,  Tsuyoshi Naijo ,  Toshiyuki Matsuura ,  Sungsoo Bae ,  Hojung Syn ,  Hyosup Shin ,  Heechoon Ahn ,  Changwoong Chu

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/30 ,  H10K85/40 ,  H10K85/60 ,  H10K101/00 ,  H10K101/10 ,  H10K101/30

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16 ,  H10K85/346 ,  H10K85/40 ,  H10K85/6572 ,  H10K85/658 ,  H10K2101/10 ,  H10K2101/30 ,  H10K2101/90

Abstract: A light-emitting device includes an emission layer including a first host, a second host, a first dopant, and a second dopant. The first dopant is a metal-containing compound, the second dopant is a boron-containing compound, the first host and the second host combine to form a host exciplex, the host exciplex is in a triplet (T1) state, and the host exciplex in the T1 state is also in a local-excitation state.

公开(公告)号：US20240324262A1

公开(公告)日：2024-09-26

申请号：US18413769

申请日：2024-01-16

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Makoto Yamamoto ,  Tsuyoshi Naijo ,  Toshiyuki Matsuura ,  Sungsoo Bae ,  Hojung Syn ,  Heechoon Ahn ,  Jiyoung Lee ,  Changwoong Chu

IPC: H10K50/11 ,  H10K85/30 ,  H10K85/60

CPC classification number: H10K50/11 ,  H10K85/324 ,  H10K85/615 ,  H10K85/654 ,  H10K85/6572

Abstract: A composition includes a first compound and a second compound different from the first compound and satisfies Expressions 1 and 2:








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公开(公告)号：US20240237382A1

公开(公告)日：2024-07-11

申请号：US18528513

申请日：2023-12-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyosup Shin ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Hojung Syn ,  Changwoong Chu

IPC: H10K50/12 ,  H10K50/15 ,  H10K50/16

CPC classification number: H10K50/12 ,  H10K50/15 ,  H10K50/16

Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including a reverse potential layer and an emission layer, where a sign of a giant surface potential value of the reverse potential layer is opposite to a sign of a giant surface potential value of the emission layer.

公开(公告)号：US11758760B2

公开(公告)日：2023-09-12

申请号：US17900007

申请日：2022-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H10K50/852 ,  H10K59/12 ,  H10K102/00

CPC classification number: H10K50/852 ,  H10K59/12 ,  H10K2102/351

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US11626566B2

公开(公告)日：2023-04-11

申请号：US16996599

申请日：2020-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Seungjin Chu ,  Kyungsik Kim ,  Sungwook Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Yunjee Park ,  Sungsoo Bae ,  Dongchan Lee ,  Hyewon Choi ,  Jaeweon Hur

IPC: H01L51/00 ,  H01L51/50

Abstract: An organic light-emitting device includes a mixed layer, an emission layer, and a buffer layer and satisfies one of Equation 1 or Equation 2 and Equation 3: T1(D)≥T1(Mix)+0.3 eV  Equation 1 T1(H)≥T1(Mix)+0.3 eV  Equation 2 T1(Mix)

公开(公告)号：US20220416210A1

公开(公告)日：2022-12-29

申请号：US17900007

申请日：2022-08-31

Applicant: Samsung Display Co., Ltd.

Inventor： Sungwook Kim ,  Kyungsik Kim ,  Seulong Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae ,  Dongchan Lee ,  Hyein Jeong ,  Hyewon Choi ,  Seungjin Chu ,  Jaeweon Hur

IPC: H01L51/52 ,  H01L27/32

Abstract: An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.

公开(公告)号：US20220393114A1

公开(公告)日：2022-12-08

申请号：US17811211

申请日：2022-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Sung-Soo Bae ,  Seul-Ong Kim ,  Dong-Hyun Kim ,  Sung-Wook Kim ,  Tsuyoshi Naijo ,  Hye-In Jeong ,  Hwan-Hee Cho

IPC: H01L51/00 ,  H01L51/50 ,  C09K11/06

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2. The first compound may be included in an emission layer, and the second compound may be included in an electron transport region.

公开(公告)号：US10243152B2

公开(公告)日：2019-03-26

申请号：US15339967

申请日：2016-11-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Donghyun Kim ,  Tsuyoshi Naijo ,  Sungsoo Bae

IPC: C09K11/02 ,  H01L51/00 ,  H01L51/50

Abstract: An organic light emitting device including a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode, the emission layer including a first compound; and an electron transport region between the emission layer and the second electrode, the electron transport region including a second compound and a third compound, wherein the first compound is represented by Formula 1, the second compound is represented by Formula 2, and the third compound is represented by Formula 3,